Παραπομπή σε μορφή APA (7η εκδ.)

Lim-ao, N., & Venables, A. (1999). Infrastructure, geographical disadvantage and transport costs. Trade, Development Research Group, World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lim-ao, Nuno, και Anthony Venables. Infrastructure, Geographical Disadvantage and Transport Costs. Washington, D.C: Trade, Development Research Group, World Bank, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lim-ao, Nuno, και Anthony Venables. Infrastructure, Geographical Disadvantage and Transport Costs. Trade, Development Research Group, World Bank, 1999.